Who's who in doping investigation

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Eleven of Lance Armstrong's former team-mates gave evidence against him to the United States Anti-Doping Agency.

They revealed what USADA has described in October as a "doping conspiracy" at the US Postal Service Pro Cycling Team in testifying against the 41-year-old.

Armstrong was stripped of his seven Tour de France titles after cycling's world governing body, the UCI, confirmed it had accepted the findings of the USADA investigation.

Following Armstrong's doping admission, Press Association Sport takes at look at the riders whose testimony contributed to the American's downfall.

FLOYD LANDIS

The 36-year-old American was at the team from 2002 to 2004. He won the 2006 Tour de France while at Phonak Hearing Systems, but was stripped of the victory and sacked from the team after a doping violation. Having initially contested the allegations, in 2010 he admitted continued doping and accused Armstrong of having done so as well.

TYLER HAMILTON

The 41-year-old American was at the team from 1995 to 2001. He won a time trial gold at the 2004 Olympics, but later twice was handed doping bans. In 2011 he admitted to using banned substances in competition and was formally stripped of his Olympic medal the following year.

FRANKIE ANDREU

The 46-year-old American was at the team from 1998 to 2000. USADA described the super domestique in their 'reasoned decision' as "one of Armstrong's earliest and closest friends in the professional cycling ranks". In 1999 and 2000 the pair were co-captains of the USPS squad.

MICHAEL BARRY

The 37-year-old Canadian was at the team from 2002 to 2006. Since 2010 he rode for Team Sky before announcing his retirement this year.

TOM DANIELSON

The 34-year-old American was a team-mate of Armstrong in 2005. He is now a member of Garmin-Sharp.

GEORGE HINCAPIE

The 39-year-old American competed for US Postal Service for 10 years from 1997 to 2007 and a team-mate of Armstrong for 11, initially at Motorola. His career is very closely linked with Armstrong's and he was the only cyclist who was with Armstrong on each of his seven Tour de France wins.

LEVI LEIPHEIMER

The 38-year-old American was a team-mate for Armstrong for five seasons at three different teams, at USPS from 2000 to 2001.

STEPHEN SWART

The 47-year-old from New Zealand was a team-mate of Armstrong at Motorola from 1994 to 1995.

CHRISTIAN VANDE VELDE

The 36-year-old American was a team-mate of Armstrong on USPS for five years from 1998 to 2003. He rode on the 1999 and 2001 Tours de France with Armstrong.

JONATHAN VAUGHTERS

The American, 39, rode in the 1999 Tour de France with Armstrong while at USPS.

DAVID ZABRISKIE

The 33-year-old American competed for USPS from 2001 to 2004. He is now a member of Garmin-Sharp.